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11. 发明专利

JP2007270183A Method for producing material for adjusting components in converter slag 有权
标题翻译：生产用于调整转炉渣中组分的材料的方法
公开(公告)号：JP2007270183A
公开(公告)日：2007-10-18
申请号：JP2006094402
申请日：2006-03-30
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KATO AKIRA , KUWAYAMA MICHIHIRO
IPC分类号： C21C5/36 , C21C5/44 , F27D1/00
摘要： PROBLEM TO BE SOLVED: To provide a method for producing a material for adjusting components in a converter slag by which not only the molten steel is not feared to the contamination with sulfur but also, the productivity is high and the whole quantity of a refractory waste can perfectly be utilized.
SOLUTION: When the material for adjusting the components in the converter slag by adding into the slag beforehand remaining in the converter and using for adjusting these components, in slag-coating on the lining refractory surface of the converter; after kneading at 70-90°C by adding an asphalt as the binder into lined refractory waste pulverized to ≤2 mm, this kneaded material is formed to briquette with a forming machine provided with rolls engraving many hole die on the outer peripheral surfaces. In this case, the adding quantity of the asphalt is desirable to be 0.5-5.0 mass% of the kneaded material.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于调整转炉渣中的成分的材料的制造方法，不仅钢水不易受到硫的污染，而且生产率高，生产率高可以完美利用耐火材料废料。
解决方案：当转炉渣中调整成分的材料预先保留在转炉中并用于调节这些成分时，在转炉内衬耐火面上的炉渣涂层中，通过将沥青作为粘合剂添加到粉碎至≤2mm的衬里的耐火废料中，在70-90℃下捏合后，将该捏合材料与具有在外周面上雕刻许多孔模的辊的成形机形成为团块。在这种情况下，沥青的添加量优选为捏合材料的0.5〜5.0质量％。版权所有（C）2008，JPO＆INPIT

12. 发明专利

JP2006241478A Method for operating converter 审中-公开
标题翻译：操作转换器的方法
公开(公告)号：JP2006241478A
公开(公告)日：2006-09-14
申请号：JP2005054349
申请日：2005-02-28
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KATO AKIRA , KUWAYAMA MICHIHIRO
IPC分类号： C21C5/36
摘要： PROBLEM TO BE SOLVED: To suppress the forming of slag even in the case of charging a large quantity of used MgO-C bricks, and as a result, a large quantity of the used MgO-C bricks can stably be used and the wearing of lining brick in a converter is restrained like the conventional way, when the used MgO-C brick is used as a substitute to dolomite, light-burnt dolomite, in the converter for steelmaking, lining MgO-quality refractory brick.
SOLUTION: The used MgO-C brick is crushed and adjusted so that this brick having ≤5 mm grain diameter becomes ≥80 mass%. Successively, such crushed and adjusted used MgO-C brick is charged into the converter before charging molten iron 2 into the converter 4, and thereafter, the molten iron is charged to perform decarburize-refining to the molten iron. In this case, it is desirable to charge the used MgO-C brick into the converter so that the charging quantity is ≥1 kg/ton of the molten iron.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：即使在充填大量使用的MgO-C砖的情况下也能抑制炉渣的形成，结果可以稳定地使用大量的使用的MgO-C砖，在转炉中的衬里砖的磨损像传统的方式一样受到限制，当使用MgO-C砖代替白云石，轻烧白云石，在炼钢转炉中，内衬MgO质量耐火砖。解决方案：将所使用的MgO-C砖进行粉碎调整，使直径≤5mm的砖成为≥80质量％。接着将这种粉碎调整后的MgO-C砖装入转炉中，然后将铁水装入转炉4中，然后对铁水进行脱碳精炼。在这种情况下，优选将所使用的MgO-C砖装入转炉中，使铁水的充电量为≥1kg/吨。版权所有（C）2006，JPO＆NCIPI

13. 发明专利

JP2005188798A Recycling method for used refractory and method of forming lining protective layer of molten metal container 审中-公开
$Recycling method for used refractory and method of forming lining protective layer of molten metal container$
标题翻译：冶金回收利用方法及金属容器内衬保护层的方法
公开(公告)号：JP2005188798A
公开(公告)日：2005-07-14
申请号：JP2003428915
申请日：2003-12-25
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： KATO AKIRA , KUWAYAMA MICHIHIRO
IPC分类号： B22D41/02 , C21C5/44 , F27D1/16
CPC分类号： Y02P10/212
摘要： PROBLEM TO BE SOLVED: To provide a recycling method for a used refractory of very low treatment costs, capable of easily recycling the used refractory without selectively separating a part contaminated by molten steel and slug, and recycling even a powdery material. SOLUTION: The used refractory is recovered and crushed to prepare crushed matter of the used refractory of less than a specific size, the compressed air is supplied into a transport pipe 1 to form the air flow in the transport pipe, the crushed matter of the used refractory is sucked into the transport pipe by the air flow, the sucked crushed matter of the used refractory is blown out from one end face 1b of the transport pipe into a molten metal container 7 with the air flowing in the transport pipe, and the crushed matter of the used refractory is accumulated on a surface of the refractory applied onto the molten metal container to form a protective layer of the refractory. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供非常低的处理成本的废旧耐火材料的回收方法，能够容易地回收所使用的耐火材料而不选择性地分离被钢水和钢渣污染的部件，并且甚至再循环粉末状材料。解决方案：回收和粉碎所用的耐火材料以制备小于特定尺寸的用过的耐火材料的粉碎物，将压缩空气供给到输送管1中，以形成输送管中的空气流，粉碎物使用过的耐火材料通过空气流被吸入输送管中，使用的耐火材料的被吸取的粉碎物质从输送管的一个端面1b吹出到熔融金属容器7中，空气在输送管中流动，并且将所使用的耐火材料的粉碎物质积聚在施加到熔融金属容器上的耐火材料的表面上以形成耐火材料的保护层。版权所有（C）2005，JPO＆NCIPI

14. 发明专利

JP2008101244A Lance pipe 审中-公开
标题翻译： LANCE PIPE
公开(公告)号：JP2008101244A
公开(公告)日：2008-05-01
申请号：JP2006284563
申请日：2006-10-19
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Tokyo Yogyo Co Ltd , 東京窯業株式会社
发明人： NIIDE TSUKASA , KUWAYAMA MICHIHIRO , SOEDA TOMOMI , YANAGI KENJI , FURUSAWA EIJI
IPC分类号： C21C7/072 , B22D1/00 , C21C5/46
摘要： PROBLEM TO BE SOLVED: To provide a lance pipe capable of suppressing the bending of a core bar caused by the buoyancy of molten metal and the rectilinear propagation of cracks in a refractory layer caused by the bending.
SOLUTION: The lance pipe 1 comprises: a tubular core bar 10 having a circulation path 11 of allowing at least either a gas or a molten metal treatment agent to be circulated; a plurality of bar-shaped reinforcing ribs 2 provided along the shaft length direction of the outer circumferential face of the core bar 10; annular reinforcing rings 3 circumscribed to the plurality of reinforcing ribs 2; and refractory layers 4 for covering the outer circumferential face of the core bar 10, the reinforcing ribs 2, and the reinforcing rings 3.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制由熔融金属的浮力引起的芯棒的弯曲以及由弯曲引起的耐火材料层中的裂纹的直线传播的喷枪管。喷枪管1包括：管状芯棒10，其具有允许气体或熔融金属处理剂中的至少一种循环的循环路径11; 沿着芯棒10的外周面的轴长度方向设置的多个条形加强肋2; 环形加强环3限定在多个加强肋2上; 以及用于覆盖芯棒10的外周面的耐火层4，加强肋2和加强环3.版权所有（C）2008，JPO＆INPIT

15. 发明专利

JP2007246960A Molten iron trough for blast furnace 审中-公开
标题翻译：用于烤炉的钼铁
公开(公告)号：JP2007246960A
公开(公告)日：2007-09-27
申请号：JP2006069873
申请日：2006-03-14
申请人： Jfe Steel Kk , Jfeスチール株式会社 , Shinagawa Refract Co Ltd , 品川白煉瓦株式会社
发明人： KATO AKIRA , KUWAYAMA MICHIHIRO , NIITSUMA TAKAHIRO , OTA SHIGEO , SHIKAMA HIROYUKI , KOYAKE TAMIATSU
IPC分类号： C21B7/14 , F27D1/04
摘要： PROBLEM TO BE SOLVED: To provide a molten iron trough for blast furnace with which the erosion and the wear with the molten iron stream are prevented and the durability is improved by preventing the development of crack and the fall-down, etc., with a thermal-spalling action and further, since the erosion and the wear are prevented at the desiliconizing operation, the FeO resistance and the oxidizing resistance are improved and thus, the stable operation for long time can be obtained.
SOLUTION: The molten iron trough for blast furnace is built up as the followings, with which at a part of the inner lining, precast blocks (alumina-spinel quality precast blocks 12a, 12b) are disposed and the precast blocks are lined at least at two or more layers and the back face side of the precast blocks is integrally lined with monolithic refractory (Alumina-SiC-C quality monolithic refractory 11) and the ratio "Lmax/Lmin" of the maximum size (Lmax) and the minimum size (Lmin) in respective directional sizes of vertical size, horizontal size, height of the above block is made to ≤5.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于高炉的铁水槽，防止铁水流的侵蚀和磨损，并且通过防止裂纹和下落等的发展来提高耐久性。具有热剥离作用，并且由于在脱硅操作时防止了侵蚀和磨损，因此提高了FeO电阻和耐氧化性，从而可以获得长时间的稳定操作。
解决方案：高炉铁水槽的建成如下，内衬的一部分设有预制块（氧化铝 - 尖晶石质量预制块12a，12b），预制块被排列至少在两层或更多层，并且预制块的背面侧与整体耐火材料（氧化铝-SiC-C质量的单块耐火材料11）整体衬里，并且最大尺寸（Lmax）的比率“Lmax / Lmin”和垂直尺寸，水平尺寸，上述块的高度各自方向尺寸的最小尺寸（Lmin）为≤5。版权所有（C）2007，JPO＆INPIT

16. 发明专利

JP2006219695A Desulfurizing treatment method for molten iron 审中-公开
标题翻译：用于铁的脱硫处理方法
公开(公告)号：JP2006219695A
公开(公告)日：2006-08-24
申请号：JP2005031811
申请日：2005-02-08
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NIIDE TSUKASA , KUWAYAMA MICHIHIRO
IPC分类号： C21C1/02
摘要： PROBLEM TO BE SOLVED: To prevent the damage of an impeller caused by collision of non-melted cold iron source with the impeller by restraining the float-up of the non-melted cold iron source remaining in molten iron when a desulfurizing treatment is applied by using a mechanical stirring type desulfurizing apparatus to the molten iron after receiving the molten iron tapped from a blast furnace into a molten iron holding and carrying vessel under state of laying the cold iron source. SOLUTION: When the desulfurizing treatment is applied by using the mechanical stirring type desulfurizing apparatus to the molten iron after receiving the molten iron 3 into the molten iron holding and carrying vessel 2 under state of laying the cold iron source 5, the desulfurizing treatment is applied while preventing the float-up of the cold iron source, by blowing gas into the molten iron from an immersion lance 6 arranged near the end part of the rotating impeller 4 or by blowing the gas into the molten iron from a gas blowing means 7 arranged at the bottom part of the molten iron holding and carrying vessel. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了防止在脱硫处理时通过限制未熔融的冷铁源浮渣而使未熔融的冷铁源与叶轮的碰撞受到损坏在将冷铁源放置的状态下接收从高炉挖出的铁水进入铁水保持和运送容器之后，通过使用机械搅拌式脱硫装置将其应用于铁水。解决方案：当在放置冷铁源5的状态下将铁水3接收到铁水夹持和运载容器2中之后，通过使用机械搅拌型脱硫装置对铁水进行脱硫处理时，脱硫在防止冷铁源浮起的同时进行处理，通过从设置在旋转叶轮4的端部附近的浸渍喷枪6向吹入的铁水中吹入气体，或者从鼓风吹入气体进入铁水装置7布置在铁水夹持和运载容器的底部。版权所有（C）2006，JPO＆NCIPI

17. 发明专利

JP2007152403A Upper nozzle for molten metal vessel 有权
标题翻译：用于金属容器的上部喷嘴
公开(公告)号：JP2007152403A
公开(公告)日：2007-06-21
申请号：JP2005351875
申请日：2005-12-06
申请人： Jfe Refractories Corp , Jfe Steel Kk , Jfeスチール株式会社 , Jfe炉材株式会社
发明人： NIIDE TSUKASA , KUWAYAMA MICHIHIRO , KINOSHITA HITOYOSHI , MIKI NORIO
IPC分类号： B22D41/50
摘要： PROBLEM TO BE SOLVED: To provide an upper nozzle for a molten metal vessel which can be easily installed in the central position of a nozzle receiving brick installed in the bottom part of a vessel for molten metal, and also can suppress the intrusion of molten steel into a gap between the upper nozzle and the nozzle receiving brick.
SOLUTION: In the upper nozzle 1 installed in the bottom part of the molten metal vessel 7 storing molten metal and composing a part of a outflow hole for molten metal, a hoop ring 3 made of iron is shrinkage fitted to the outer circumference of the lower edge part in the nozzle body 2 of the upper nozzle, and also, at least three or more metallic spacers 4 are arranged at the outer circumference of the hoop ring.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种熔融金属容器的上部喷嘴，其可以容易地安装在安装在用于熔融金属的容器的底部的喷嘴接收砖的中心位置，并且还可以抑制入侵的钢水进入上喷嘴和喷嘴接收砖之间的间隙。解决方案：在安装在熔融金属容器7的底部的上部喷嘴1中，存储熔融金属并组成熔融金属的流出孔的一部分，由铁制成的箍环3收缩配合到外周的上部喷嘴的喷嘴体2中的下边缘部分，并且在环形环的外周还设置有至少三个以上的金属间隔件4。版权所有（C）2007，JPO＆INPIT

18. 发明专利

JP2005264186A Immersion lance coated with refractory and molten iron treating apparatus provided with this lance 有权
$Immersion lance coated with refractory and molten iron treating apparatus provided with this lance$
标题翻译：涂有耐腐蚀性和浸渍处理设备的浸渍处理设备
公开(公告)号：JP2005264186A
公开(公告)日：2005-09-29
申请号：JP2004074837
申请日：2004-03-16
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NIIDE TSUKASA , KUWAYAMA MICHIHIRO
IPC分类号： C04B35/101 , C21C1/02 , C21C1/04
摘要： PROBLEM TO BE SOLVED: To make extendable of using times of an immersion lance coated with a refractory by preventing the erosion with the heat of secondary combustion. SOLUTION: In the immersion lance 8 coated with the refractory used at the refining of molten iron, a secondary combustion part A is constituted of a core metal 16 and the refractory 17 coated on surrounding the core metal 16. The refractory 17 is composed of Al 2 O 3 -Cr 2 O 3 base refractory containing 5-10 mass% Cr 2 O 3 . COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：通过防止二次燃烧的热量的侵蚀，可以延长涂覆耐火材料的浸渍喷枪的使用时间。解决方案：在用于精炼铁水时使用的耐火材料涂覆的浸渍喷枪8中，二次燃烧部分A由芯金属16和涂覆在芯金属16周围的耐火材料17构成。耐火材料17是由含有5-10质量％Cr 2 3 -Cr 2 > 2 0 3 。版权所有（C）2005，JPO＆NCIPI

19. 发明专利

JP2009019249A Method for preventing leakage of steel from ladle 有权
标题翻译：防止钢板从钢板上泄漏的方法
公开(公告)号：JP2009019249A
公开(公告)日：2009-01-29
申请号：JP2007183944
申请日：2007-07-13
申请人： Jfe Steel Kk , Jfeスチール株式会社
发明人： NIIDE TSUKASA , KUWAYAMA MICHIHIRO
IPC分类号： C21C7/00 , F27D1/00 , F27D21/00 , F27D21/04
摘要： PROBLEM TO BE SOLVED: To provide a method for preventing leakage of steel from a ladle, capable of securely preventing at a low cost molten steel contained in a ladle from melting an outer steel shell of the ladle and leaking therefrom during a secondary refining or casting.
SOLUTION: The method for preventing leakage of steel from the ladle includes steps of: measuring the temperature of the outer steel shell 2 of the ladle 1 containing the molten steel 7 with an infrared thermometer 5; and sounding an alarm and adding a refractory melting inhibitor 11 to a slag 8 present on the molten steel in the ladle when the measured temperature or the measured temperature-rising rate is equal to or above a corresponding preset threshold.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种防止钢从钢包中泄漏的方法，能够以低成本可靠地防止钢包中包含的钢水熔化钢包的外钢壳并在第二级中从其中泄漏精炼或铸造。解决方案：防止钢水从钢包中泄漏的方法包括以下步骤：用红外线温度计5测量包含钢水7的钢包1的外钢壳2的温度; 并且当测量温度或测量的升温速率等于或高于相应的预设阈值时，发出报警并向存在于钢包中的钢水上的渣8添加耐火熔融抑制剂11。版权所有（C）2009，JPO＆INPIT

20. 发明专利

JP2006292227A Furnace dismantling machine 审中-公开
标题翻译：烤炉分离机
公开(公告)号：JP2006292227A
公开(公告)日：2006-10-26
申请号：JP2005111669
申请日：2005-04-08
申请人： Hitachi Constr Mach Co Ltd , Jfe Steel Kk , Jfeスチール株式会社 , Shinagawa Furness Kk , 品川フアーネス株式会社 , 日立建機株式会社
发明人： KUWAYAMA MICHIHIRO , KATO AKIRA , AOKI TSUKASA , KOSAKA TOSHIYUKI
IPC分类号： F27D1/16 , C21C5/44
摘要： PROBLEM TO BE SOLVED: To execute work while especially keeping a temperature of a furnace to be dismantled in a comparatively high temperature, in a furnace dismantling machine dismantling the furnace by breaking a structure such as brick disposed inside a furnace body of a melting furnace, a converter, an incinerator or the like.
SOLUTION: This dismantling machine dismantling the furnace by breaking the structure such as the brick disposed inside the furnace body has: an air breaker 11 for breaking the structure; an equipment body 2 having at least a heat-resistant driver's cab 32 for operating the air breaker 11 by a worker; a movement mechanism 3 or a turn part 40 for moving or turning the equipment body 2 to the furnace body made to fall on its side; and a manipulator 5 performing position control of the air breaker 11 installed to the tip of a boom 4 in an angle variable state by expanding/contracting or rotating the boom 4 to the furnace body from the equipment body 2. The equipment body jets supplied cooling air to the air breaker 11 and into the manipulator 5 through a hose 27 disposed along the boom.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了在特别地保持在较高温度下拆除炉子的温度的同时进行工作，在炉式拆除机中，通过破碎设置在炉体内的砖等结构来拆除炉熔炉，转炉，焚烧炉等。解决方案：通过破碎设置在炉体内的砖等结构来拆除炉的拆卸机具有：用于破碎结构的空气破坏器11; 具有至少一个用于由工人操作空气断路器11的耐热驾驶室32的设备主体2; 用于将设备主体2移动或转动到坠落在其侧面上的炉体的移动机构3或匝部40; 以及操纵器5，其通过从设备主体2扩展/收缩或将吊杆4旋转到炉体来进行安装在吊杆4的顶端的空气破坏器11的位置控制。设备主体喷射供应的冷却通过沿着悬臂设置的软管27将空气送入空气破坏器11并进入操纵器5。版权所有（C）2007，JPO＆INPIT

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